<?php

return array(
    // Don't change without changing font files!
    'alphabet' => '0123456789abcdefghijklmnopqrstuvwxyz',
    // Alphabet without similar symbols (o=0, 1=l, i=j, t=f)
    'allowed_symbols' => '23456789abcdeghkmnpqsuvxyz',
    // Folder with fonts
    'fonts_dir' => __DIR__ . DS . '..' . DS . 'fonts' . DS,
    // Captcha string length
    'length' => mt_rand(4, 4),
    // Captcha image size (you don't need to change it, whis parameters is optimal)
    'width' => 70,
    'height' => 40,
    // Symbol's vertical fluctuation amplitude divided by 2
    'fluctuation_amplitude' =>5,
    // Increase safety by prevention of spaces between symbols
    'no_spaces' => false,
    // Show credits, credits adds 12 pixels to image height
    'show_credits' => false,
    // Captcha image colors (RGB, 0-255)
    'foreground_color' => array(mt_rand(0, 100), mt_rand(0, 100), mt_rand(0, 100)),
    'background_color' => array(mt_rand(200, 255), mt_rand(200, 255), mt_rand(200, 255)),
    // JPEG quality of Captcha image (bigger is better quality, but larger file size)
    'jpeg_quality' => 90,
);